Abstract: A composition including an actinic radiation or thermally curable polyorganosiloxane ionomer having one or more reactive groups, for example, vinyl, acrylate, epoxy groups.

Abstract: A composition includes a polymer component including a first polymer having a first structural unit represented by a following formula (1), and a solvent. In the formula (1), R1 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. R2 represents a single bond or a divalent organic group having 1 to 20 carbon atoms. R3 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. RQ represents a perfluoroalkyl group having 1 to 5 carbon atoms. RX represents a hydrogen atom or a monovalent base-labile group.

Abstract: Provided is a removable acrylic pressure sensitive adhesive comprising (A) 70-96.5 weight % of (meth)acrylic acid ester monomer having C1-C14 alkyl group; (B) 0.5-27 weight % of one or more functional group containing monomers selected from the group consisting of carboxyl group containing monomer, hydroxyl group containing monomer, epoxy group containing monomer, vinyl ester group containing monomer and cyano group containing monomer; and (C) 0.6-3 weight % of a cross linking agent having 5-13 alkylene oxide groups and acrylate group or vinyl group in 100 weight % of the monomers and the cross linking agent, and the adhesive of the present invention is a water based adhesive and pro-environmental, and demonstrates excellent adhesiveness at room temperature and under aging atmosphere and excellent dimensional stability as well, so that it can be widely used for various pressure sensitive adhesive sheets for outdoor/indoor advertisement, automobile, printing, decorating, etc.

Abstract: Disclosed are a copolymer for organic antireflective films containing a repeating unit represented by the following formula (1), a monomer for the copolymer, and an organic antireflective film composition including the copolymer: wherein in the formula (1), R1, R2, R3, A, m and n respectively have the same meanings as defined in the detailed description of the invention. The organic antireflective film composition including the copolymer for organic antireflective films has an increased refractive index and exhibits excellent effects when produced into an antireflective film, and hydrophilicity and hydrophobicity of the coating film produced from the composition can be regulated, so that excellent compatibility with resists can be obtained.

Abstract: The invention relates to a polymer suited for modifying the styling performance and the rheology of a cosmetic preparation, a composition thereof, a method of making it as well as the use of said polymer and the composition respectively. The copolymer comprises at least one non-ionic ethylenically unsaturated C1-C4 (meth)acrylate as monomer A; an ethylenically unsaturated monomer B having as hydrogen bond donor an amide group, said ethylenically unsaturated monomer B being an ethylenically unsaturated monomer having a cyclic amide moiety, as monomer B1 and/or, an ethylenically unsaturated monomer having an acyclic amide group, as monomer B2; at least one ethylenically unsaturated carboxylic acid as monomer C; a macromonomer D; optionally at least one cross-linker E; and optionally at least one further monomer F.

Abstract: A (meth)acrylate resin composition of the present invention contains: a (meth)acrylic resin composition (A) containing a (meth)acrylic acid ester and a poly(meth)acrylic acid ester; and a crosslinking agent (B) containing a bifunctional (meth)acrylic monomer (C) represented by chemical formula 1 and a polyfunctional unsaturated ester compound (D) containing three or more radically polymerizable functional groups. The bifunctional (meth)acrylic monomer (C) is contained in an amount of 2 to 25 parts by mass and the polyfunctional unsaturated ester compound containing three or more radically polymerizable functional groups is contained in an amount of 0.1 to 5 parts by mass, based on 100 parts by mass of the (meth)acrylic resin composition (A).

Abstract: A photoresist composition includes a polymer that includes a structural unit shown by the following formula (1), and a photoacid generator. R1 in the formula (1) represents a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, Z represents a group that forms a divalent alicyclic group having 3 to 20 carbon atoms together with a carbon atom bonded to X, X represents an alkanediyl group having 1 to 6 carbon atoms, Y represents a hydrogen atom or —CR2R3(OR4), and R2 to R4 independently represent a hydrogen atom or a monovalent hydrocarbon group, provided that R3 and R4 optionally bond to each other to form a cyclic ether structure together with a carbon atom bonded to R3 and an oxygen atom bonded to R4.

Abstract: A water- and oil-repellent comprising an aqueous dispersion of a fluorine-containing copolymer including as a copolymerization unit (a) a perfluoroalkylalkyl (meth)acrylate represented by the general formula CnF2n+1CmH2mOCOCR?CH2 (wherein R represents hydrogen atom or methyl group; n represents 4, 5, or 6; and m represents 1, 2, 3, or 4), (b) benzyl (meth)acrylate, (c) a fluorine-free polymerizable monomer other than benzyl (meth)acrylate, and (d) a cross-linkable group-containing polymerizable monomer; and a blocked isocyanate added to the aqueous dispersion in a weight ratio of 0.05 to 3.0 to the weight of the solid content of the aqueous dispersion.

Abstract: A radiation-sensitive resin composition includes a first polymer including an acid-labile group, an acid generator to generate an acid upon exposure to radiation, and a second polymer including a fluorine atom and a functional group shown by a general formula (x). The second polymer has a fluorine atom content higher than a fluorine atom content of the first polymer. R1 represents an alkali-labile group. A represents an oxygen atom, —NR?—, —CO—O—# or —SO2—O—##, wherein the oxygen atom represented by A is not an oxygen atom bonded directly to an aromatic ring, a carbonyl group, or a sulfoxyl group, R? represents a hydrogen atom or an alkali-labile group, and “#” and “##” each indicate a bonding hand bonded to R1.

Abstract: Styrenic (meth)acrylic oligomers that are prepared at lower temperature than conventional solid grade oligomers, or are hydrogenated, contain fewer terminal vinylic unsaturations, when compared to such conventional styrenic (meth)acrylic oligomers prepared by the customary high temperature processes. Styrenic (meth)acrylic oligomers that contain fewer terminal vinylic unsaturations demonstrate improved thermal stability and may provide improved resistance to UV weathering compared to the conventional and non-hydrogenated styrenic (meth)acrylic oligomers.

Abstract: A negative pattern is formed by applying a resist composition onto a substrate, prebaking, exposing to high-energy radiation, PEB, and developing the exposed resist film in an organic solvent developer to dissolve the unexposed region of resist film. The resist composition comprising a polymer adapted to form a lactone ring under the action of an acid so that the polymer may reduce its solubility in an organic solvent displays a high dissolution contrast. A fine hole or trench pattern can be formed therefrom.

Abstract: The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.

Abstract: An adhesive film and an optical display including the same. The adhesive film has a tan ? of about 0.12 to about 0.4 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 1 rad/s, and a tan ? of about 0.2 to about 0.7 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 100 rad/s.

Abstract: A method for the production of biodegradable nanoparticles with an average particle size of less than 400 nm. In a first step, a macromonomer is prepared in a ring opening polymerization process between a hydrophilic acrylate compound (A) as an initiator and hydrophobic cyclic monomers (B), wherein the macromonomer comprises at least two repetitive units based on the cyclic monomer. In a second step, this macromonomer or a mixture of macromonomers and/or commercial biocompatible monomers is polymerized, e.g. in a starved, miniemulsion or emulsion radical polymerization in water in the presence of a surfactant to the nanoparticle without necessitating additional subsequent steps for the actual production of the nanoparticles. The correspondingly made nanoparticles and uses thereof also are disclosed.

Abstract: A process for making a hyperbranched polyethylene. The process has the steps of (a) reacting a multifunctional acrylate monomer with an ?,?-diene monomer in the presence of a first catalyst to form an alternating acrylate/diene copolymer and (b) reacting the alternating acrylate/diene copolymer with a late transition metal ?-diimine catalyst to form a multi-nuclear initiator for chain walking polymerization of ethylene. There is also a process for forming a multi-nuclear initiator.

Abstract: A polymer comprising a constitutional unit represented by the following formula (1) is useful because when the polymer is applied to a surface of a cancer cell enrichment filter, adhesiveness of cancer cells to the filter surface can be improved so that an enrichment ratio of the cancer cells can be improved. In the formula (1), R1 is a hydrogen atom or a methyl group, R2 is a methyl group or an ethyl group and m is 1 to 3.

Abstract: A shape memory polymer (SMP) intraocular lens may have a refractive index above 1.45, a Tg between 10° C. and 60° C., inclusive, de minimis or an absence of glistening, and substantially 100% transmissivity of light in the visible spectrum. The intraocular lens is then rolled at a temperature above Tg of the SMP material. The intraocular device is radially compressed within a die to a diameter of less than or equal to 1.8 mm while maintaining the temperature above Tg. The compressed intraocular lens device may be inserted through an incision less than 2 mm wide in a cornea or sclera or other anatomical structure. The lens can be inserted into the capsular bag, the ciliary sulcus, or other cavity through the incision. The SMP can substantially achieve refractive index values of greater than or equal to 1.

Abstract: The present invention is a polymer having structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: The polymer improves the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.

Abstract: The present invention relates to an adhesive composition, which comprises, based on the total weight of the adhesive composition: (1) from 38.0 to 75.0 percent by weight of a urethane oligomer carrying (meth)acryloyloxy group; (2) from 0.1 to 10.0 percent by weight of a multifunctional (meth)acrylate monomer; (3) from 15.0 to 60.0 percent by weight of a monofunctional (meth)acrylate monomer; (4) from 0.5 to 5.0 percent by weight of a photoinitiator; (5) from 0.1 to 5.0 percent by weight of a silane coupling agent; and (6) from 0 to 5.0 percent by weight of an additive, which is selected from one or more of the group consisting of a tackifier, a thickening agent, a flame retardant, a leveling agent and a thermal initiator. The cured adhesive composition has a high transparency and a high bonding strength, and the adhesive composition can be used for bonding various substrates in display devices.

Abstract: Biocompatible terpolymers are manufactured to include a zwitterionic monomer, an alkoxy acrylate monomer, and a hydrophobic monomer.

Abstract: The present invention relates to a branched vinyl polymer carrying dendrons made from monofunctional vinyl monomers and branched by virtue of difunctional vinyl monomers so that there is on average one branch or fewer per polymer chain to avoid gelation. The polymer may be made by chain-growth polymerization of predominantly monofunctional vinyl monomers in the presence of difunctional vinyl monomers and dendron units.

Abstract: The present invention relates to improved hydrogel materials using water gellants that are comprised of polymer backbones P to which hydrogen bonding 4H-units are covalently attached via a hydrophobic linker L. Optionally, the hydrogel contains additional ingredients or additives. These new reversible hydrogels can easily be fine-tuned in their mechanical performance and function and are especially suitable for biomedical applications.

Abstract: The invention relates to functionalized, telechelic polymers synthesized by enzymatic catalysis and methods, and the functionalization of polymers via Michael addition with a lipase catalyst, and the crosslinking of mono- or difunctional (telechelic) polymers made by enzymatic catalysis, such as by using multifunctional coupling agents and enzyme catalysts. Quantitative transesterification of vinyl methacrylate with poly(ethylene glycol), poly(isobutylene) and poly(dimethylsiloxane) was achieved using Candida antarctica lipase B. In addition, methacrylate-functionalized poly(ethylene glycol) monomethyl ether has been successfully coupled to aminoethoxy poly(ethylene glycol) monomethyl ether via Michael addition using Candida antarctica lipase B. Amine-functionalized poly(ethylene glycol)s have also been used for the preparation of poly(ethylene glycol)-based dendrimers and gels through Michael addition of the polymer onto triacryloyl hexahydro-triazine using the same enzyme.

Abstract: There is provided a resist underlayer film forming composition for lithography, which in order to prevent a resist pattern from collapsing after development in accordance with the miniaturization of the resist pattern, is applied to multilayer film process by a thin film resist, has a lower dry etching rate than resists and semiconductor substrates, and has a satisfactory etching resistance relative to a substrate to be processed in the processing of the substrate. A resist underlayer film forming composition used in lithography process by a multiplayer film, comprises a polymer containing a unit structure having an aromatic fused ring, a unit structure having a protected carboxyl group or a unit structure having an oxy ring. A method of forming a pattern by use of the resist underlayer film forming composition. A method of manufacturing a semiconductor device by utilizing the method of forming a pattern.

Abstract: Disclosed is a barrier laminate excellent in adhesiveness. The barrier laminate comprises a first organic layer, an inorganic layer, a second organic layer adjacent to the inorganic layer, and an adhesive layer adjacent to the second organic layer in that order, wherein the second organic layer is obtained by curing a polymerizable composition comprising a (meth)acrylate compound comprising a hydroxyl group at a terminal of the compound; and the adhesive layer comprises an epoxy series adhesive.

Abstract: The present invention provides an HASE polymer which produces a high thickening effect in a small amount at low costs. More specifically, the present invention provides a (meth) acrylic acid-based copolymer obtained by polymerizing (meth) acrylic acid, an alkyl (meth)acrylate with an alkyl group of having 1 to 4 carbon atoms, and a (polyoxyethylene stearyl ether) ester of (meth) acrylic acid.

Abstract: The present invention provides an optical-use pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer containing a polymer formed of one or more monomer ingredients containing, as an indispensable monomer ingredient, a monomer of which homopolymer has a glass transition temperature of not lower than ?10° C., said sheet having a moisture content of at least 0.65% by weight after stored in an environment at 60° C. and 95% RH for 120 hours. The pressure-sensitive adhesive layer is preferably an acrylic pressure-sensitive adhesive layer.

Abstract: It is an object of the present invention to provide a binder resin which, when used in an inorganic fine particle-dispersed paste composition, leaves little amount of residual carbon after sintering and can be degreased even under low temperature conditions. It is also an object of the present invention to provide a vehicle composition and an inorganic fine particle-dispersed paste composition, which are obtained by using the binder resin. The binder resin of the present invention is for use in an inorganic fine particle-dispersed paste composition containing inorganic fine particles. The binder resin contains from 5 to 55% by weight of a segment derived from methyl methacrylate, from 30 to 80% by weight of a segment derived from isobutyl methacrylate, and from 5 to 20% by weight of a segment derived from polyoxyalkylene ether monomethacrylate.

Abstract: A pressure-sensitive adhesive of the invention include a (meth)acryl-based polymer obtained by polymerization of a monomer component including 19 to 99.5% by weight of an alkyl (meth)acrylate having a branched alkyl group of 10 to 24 carbon atoms at an ester end. The pressure-sensitive adhesive has a satisfactory level of adhesive performance and can form a pressure-sensitive adhesive layer with a lower dielectric constant.

Abstract: The photosensitive composition of the present invention includes: (1) a radical initiator (A); (2) an acid generator (B) and/or a base generator (C); and (3) a polymerizable substance (D), wherein at least one of the radical initiator (A), the acid generator (B) and the base generator (C) are to generate an active species (H) on exposure to active rays, the active species (H) reacting with the radical initiator (A), the acid generator (B) or the base generator (C) to generate another active species (I), the active species (I) initiating polymerization of the polymerizable substance (D), the active species (H) or (I) is an acid or a base, and the photosensitive composition contains substantially no colorants, metal oxide powder, or metallic powder.

Abstract: Disclosed is an active energy ray-curable resin composition comprising 3 to 18 parts by mass of an alkyl (meth)acrylate (A) having an alkyl group of 12 or more carbon atoms, and 82 to 97 parts by mass of a multifunctional monomer (B) having 3 or more radical polymerizable functional groups in the molecule wherein the sp value as expressed by the Fedor's estimation method is 20 to 23, per 100 parts by mass of the total content of all monomers, and which gives a cured material having excellent water repellency and scratch resistance; and a molded article, a fine uneven structure body and a water-repellent article prepared by using the active energy ray-curable resin composition; and a method for producing a fine uneven structure body.

Abstract: The invention relates to a copolymerizable emulsifier comprising (meth)acrylic acid esters, selected from compounds of the general formula (1) and (II), where: A is an acrylic group having 3 to 40 carbon atoms, x and y independently of each other are a hydrogen group or a methyl group, B is hydrogen or a sulfate or phosphate group, and n a number in the range of 0 to 40. The invention further relates to methods of using said copolymerizable emulsifier in the emulsion polymerization of olefinically unsaturated monomers to prepare polymers.

Abstract: A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C5-C42)alkyl-polyether radical per molecule, wherein the bicycloheptyl- or bicycloheptenyl-polyether radical may optionally be substituted on one or more of the ring carbon atoms by one or two (C1-C6)alkyl groups per ring carbon atom is useful in making polymers, particularly pH responsive polymers.

Abstract: In one aspect, the invention relates to silicone prepolymer compositions comprising a silicone prepolymer and a solvent. A soluble silicone prepolymer can be provided having increased average silicon content, thereby attaining a desired oxygen permeability. A solvent can be provided with a desired balance between hydrophilicity and hydrophobicity by selection and modification of the solvent molecular structure, resulting in molded polymer films and articles that exhibit minimal or nonexistent eye irritation and exhibit highly transparent products. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: The present invention is directed to curable film-forming compositions comprising a film-forming resin and a crosslinking agent. The film-forming resin contains a polymer having functional aromatic groups derived from functional aromatic acids. The present invention further provides multi-component composite coating compositions comprising a first film-forming composition applied to a substrate to form a primer or base coat, and a second film-forming composition applied on top of the primer or base coat to form a top coat, the top coat comprising the composition described above. Coating compositions prepared from the curable compositions of the present invention demonstrate superior gloss and acid etch resistance properties, making them ideally suited for automotive applications.

Abstract: A reactive component suitable for use in a radiation-curable composition, which comprises an acrylated epoxy-amine oligomer represented by the formula (I): C-B-[A-B]n-A-B-C wherein: n is from 2 to 500; each A is individually a unit derived from a diglycidyl ether; each B is individually a unit derived from a difunctional secondary amine or a monofunctional primary amine; and each C is individually a unit derived from a multifunctional acrylate monomer, radiation-curable compositions, such as inks, coatings and adhesives, comprising said reactive component and methods of making said reactive component.

Abstract: A process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure, comprising polymerization of a monomer solution or suspension, drying of the resulting polymer gel, grinding, classifying, thermal surface postcrosslinking and coating with silicon dioxide, wherein the water-absorbing polymer particles have been coated, before, during or after the surface postcrosslinking with aluminum cations.

Abstract: The present invention relates to the use of branched addition copolymers in systems which can be cured post synthesis to form for example polymer coatings, sealants, inks, adhesives or composites and also relates to methods of preparing the cured systems, compositions comprising such copolymers and the use of the compositions in for example but not limited to coatings, inks, sealants, adhesives or composites.

Abstract: The present invention relates to a branched vinyl polymer carrying dendrons made from monofunctional vinyl monomers and branched by virtue of difunctional vinyl monomers so that there is on average one branch or fewer per polymer chain to avoid gelation. The polymer may be made by chain-growth polymerization of predominantly monofunctional vinyl monomers in the presence of difunctional vinyl monomers and dendron units.

Abstract: To provide a resist polymer comprising, as a structural unit, an acid-decomposable unit having a structure represented by formula (1) or (2) which exhibits a small line edge roughness and produces little defects in DUV excimer laser lithography or the like.

Abstract: Polymers include a unit comprising a particular acetal moiety and a unit comprising a lactone moiety, photoresist compositions containing such a polymer, substrates coated with the photoresist compositions and methods of forming photolithographic patterns. The polymers, compositions, methods and coated substrates find particular applicability in the manufacture of semiconductor devices.

Abstract: There are provided a photosensitive composition, and a cured product of the photosensitive composition, the photosensitive composition being an ultraviolet curable composition that is curable in a short time while a portion of the photosensitive composition such as a dark portion where radicals are not generated at all is curable. A cured product is obtained by curing a photosensitive composition by ultraviolet irradiation, the photosensitive composition containing an ultraviolet curable material, and a chain transfer agent that contains an ingredient (a) that is a compound containing at least one kind selected from the group consisting of a urethane bond, a urea bond and an isocyanate group, and an ingredient (b) that is a metal-containing compound, wherein a portion of the composition where irradiation light does not reach is curable.

Abstract: The invention provide a new lens curing method for making hydrogel contact lenses. The new lens curing method is based on actinically-induced step-growth polymerization. The invention also provides hydrogel contact lenses prepared from the method of the invention and fluid compositions for making hydrogel contact lenses based on the new lens curing method. In addition, the invention provide prepolymers capable of undergoing actinically-induced step-growth polymerization to form hydrogel contact lenses.

Abstract: A curable polymeric composition is herein disclosed. According to one embodiment, a curable polymeric composition comprises a thermoplastic block copolymer containing at least two polymer blocks A separated by at least one polymer block B. Each polymer block A is primarily a poly(monovinyl aromatic hydrocarbon) block, and polymer block B includes hydrogenated conjugated didne. The solid curable polymeric composition further comprises a curable functional compound compatible with polymer block A. The solid curable polymeric composition optionally comprises an initiator, a plasticizer, an antioxidant; a tackifyer and an aromatic resin.

Abstract: A superabsorbent polymeric material for absorption of organic liquids which includes at least one crosslinked polymeric superabsorbent material with oligo(ethylene oxide) side chains. One such polymeric material is poly[3,6,9-trioxadecyl propenoate].

Abstract: Provided is a pressure-sensitive adhesive sheet for optical use which less suffers from a misoperation-causing change in capacitance upon application to an optical member. The pressure-sensitive adhesive sheet for optical use includes a pressure-sensitive adhesive layer and has a dielectric constant of from 2 to 8 at a frequency of 1 MHz and a dielectric loss tangent of more than 0 and 0.2 or less at a frequency of 1 MHz. The pressure-sensitive adhesive sheet for optical use preferably has a dielectric constant at a frequency of 1.0×106 Hz being 60% or more of that at a frequency of 1.0×104 Hz. In addition, the pressure-sensitive adhesive sheet for optical use preferably has an absolute value of difference between the dielectric loss tangent at a frequency of 1.0×106 Hz and that at a frequency of 1.0×104 Hz of 0.15 or less.

Abstract: Antifouling composition containing a fluorocopolymer which contains from 30 to 70 mass % of polymerized units (a?) having a C1-6 perfluoroalkyl group, from 20 to 69 mass % of polymerized units (b?) having an alkylene oxide chain and from 1 to 10 mass % of polymerized units (c?) having an amino group, and which has anionic groups at its main chain terminals. Method of making.

Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials contain a functionalized alkylphenol ethoxylate to reduce glistenings.

Abstract: An organic film-forming polymer has a Tg of at least 70° C. and comprises a backbone comprising recurring units of Structure (A) shown in this application. These organic film-forming polymers can be used as dielectric materials in various devices with improved properties such as improved mobility.

Abstract: Copolymers which are composed of at least 4 monomers, including (meth)acrylate compounds containing perfluoroalkyl groups, are suitable for the treatment of fiber materials. The copolymers are usually used here in the form of aqueous dispersions. The fiber materials are in particular fabrics, for example made of polyolefin. Treatment with the copolymers imparts to them oil- and water-repellent properties and also repellent properties toward low molecular weight alcohols.